Extensions of different lengths that overlap, such as 1000 and 10000, force users dialing 1000 to wait for the interdigit timeout.
Checked 2026-10-02
For example, a system with extensions 1000 and 10000 would force users to wait for the interdigit timeout when they dial 1000.
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- dial plan design
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 5.x SRND; behaviour corroborated by 10.0-era tech note
- Checked
- 2026-10-02
Sources
- Cisco Unified Communications SRND Based on Cisco Unified Communications Manager 5.x - Dial Plan — Cisco Systems · tier 2 current vendor documentation · Dial Plan chapter, extension/overlap guidance
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting calls that wait several seconds before routing in Unified CM: source note cucm-interdigit-delay-troubleshooting-overlap-diff-length. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-interdigit-delay-troubleshooting-overlap-diff-length
BibTeX
@misc{warmtransfer-claim-cucm-interdigit-delay-troubleshooting-overlap-diff-length,
title = {Troubleshooting calls that wait several seconds before routing in Unified CM: source note cucm-interdigit-delay-troubleshooting-overlap-diff-length},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-interdigit-delay-troubleshooting-overlap-diff-length},
note = {Source note cucm-interdigit-delay-troubleshooting-overlap-diff-length, checked 2026-10-02}
}